On February 26, 2016, the United States Air Force announced the “next generation” bomber, the B-21. Although not much is known, they did issue a press release:

Air Force reveals B-21 Long Range Strike Bomber

WASHINGTON (AFNS) — Air Force Secretary Deborah Lee James revealed the first rendering of the Long Range Strike Bomber, designated the B-21, at the Air Force Association’s Air Warfare Symposium Feb. 26 in Orlando, Fla., and announced the Air Force will be taking suggestions from Airmen to help decide the name of the bomber.

“This aircraft represents the future for our Airmen, and (their) voice is important to this process,” James said. “The Airman who submits the selected name will help me announce it at the (Air Force Association) conference this fall.”

While there are no existing prototypes of the aircraft, the artist rendering is based on the initial design concept. The designation B-21 recognizes the LRS-B as the first bomber of the 21st century.

The reveal comes just weeks after both James and Air Force Chief of Staff Gen. Mark A. Welsh III delivered the fiscal year 2017 posture statement before the Senate Appropriations Committee, making it clear modernization is a top priority for the Air Force.

“The platforms and systems that made us great over the last 50 years will not make us great over the next 50,” Welsh said during his testimony on Capitol Hill Feb. 10. “There are many other systems we need to either upgrade or recapitalize to ensure viability against current and emerging threats… the only way to do that is to divest old capability to build the new.”

James said the B-21 will allow the Air Force to operate in tomorrow’s high end threat environment, and give the Air Force the flexibility and the capability to launch from the continental United States and deliver airstrikes on any location in the world.

James also explained why the B-21 shares some resemblance to the B-2.

“The B-21 has been designed from the beginning based on a set of requirements that allows the use of existing and mature technology,” James said.

The program recently entered into the Engineering and Manufacturing Development phase and the Air Force plans to field the initial capability of the aircraft in mid-2020s.

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The A-12 Avenger II was an American aircraft program from McDonnell Douglas and General Dynamics intended to be an all-weather, carrier-based stealth bomber replacement for the A-6 Intruder in the United States Navy and Marines. The A-12 project was canceled in 1991 due to high costs.

Artists’ conceptions and mockups of the craft revealed a flying wing design in the shape of an isosceles triangle, with the cockpit situated near the apex of the triangle. The aircraft was designed to have two General Electric F412-GE-D5F2 turbofans, each producing about 13,000 lbf (58 kN) thrust, and was equipped to carry up to two AIM-120 AMRAAM missiles, two AGM-88 HARMs and a full complement of air-to-ground ordnance, including Mk 82 bombs, or smart bombs, in an internal weapons bay. The A-12 gained the nickname “Flying Dorito”.

The aircraft suffered numerous problems throughout its development, especially with the materials, and when the projected cost of each aircraft ballooned to an estimated US$165 million, the project was canceled by then-Secretary of Defense, Dick Cheney, in January 1991.

Below are the documents obtained regarding the A-12 Avenger II.

Declassified Documents

Explaining Cancellation of the Navy A-12 Aircraft [14 Pages, 700k]

Events Surrounding the Navy’s A-12 Aircraft Program [13 Pages, 600k] – Appendix I provides a list of significant events affecting the Navy’s A-12 program, including the Secretary of Defense’s Major Aircraft Review in December 1989. After the Secretary’s April 1990 testimony on the results of the review, the A-12 contractors disclosed that the date of the A-12’s first flight would slip significantly and that the cost of full-scale development would overrun the contract ceiling by an amount that the contractors could not absorb. The chronology extends through June 1991, when the A-12 contractors filed a lawsuit in U.S. Claims Court, asking, among other things, for a judgment that the A-12 contract was terminated for the convenience of the government. According to the Navy, if the court rules that the termination was for the convenience of the government, rather that a default for nonperformance, the contractors may not be required to return the 1.35 billion in progress payments. The lawsuit is still pending. Appendix II lists the payments made to McDonnell Douglas for work on the A-12 full-scale development contract. These payments totaled 1.4 billion and were made monthly from contract award to contract termination. General Dynamics was paid about 1.3 billion for its work on the A-12 full-scale development contract. Appendix II also shows the 25.6 million in additional payments made to McDonnell Douglas for A-12 related work under a separate basic ordering agreement. These payments were made from contract award to February 1992.

Review of the A-12 Aircraft Program [54 Pages, 2mb] – In 1984, the Deputy Secretary of Defense directed the Navy to develop and acquire the A-12 aircraft as a replacement for the Navy A-6 Intruder aircraft, the primary all-weather medium-attack aircraft. The Deputy also directed that the A-12 aircraft achieve initial operational capability not later than 1994. The Air Force had planned to procure a variant of the A-12 aircraft to replace the F-111 aircraft. The original Air Force plan called for initial delivery to occur in FY 1995. In November 1984, two contractor teams (McDonnell Douglas Corporation (MDC)/General Dynamics Corporation (GD) and Northrop/Grumman/ Vought) were awarded contracts for concept formulation. Both teams continued into demonstration validation under contracts awarded in June 1986. The two teams competed for the full-scale development (FSD) contract, which was awarded to the contractor team of McDonnell Aircraft Company, McDonnell Douglas Corporation (McAir) and General Dynamics Corporation, Fort Worth Division (CDFW) on January 13, 1988. From the very beginning, the A-12 aircraft program was a special access program meaning that all program-related documents and information were subject to vigorous security controls.

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Because of its considerable capital and operations costs, the project was controversial in Congress and among Pentagon brass during its development and placement into service. During the late 1980s and early 1990s, the United States scaled back initial plans to purchase 132 of the bombers. By the mid 1990s, Congress made appropriations to purchase a total fleet of just 21 of the bombers.

The Bush Administration’s Proposal for ICBM Modernization, SDI, and the B-2 Bomber [9 Pages]

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Review of Relocation of the System Program Office and Logistics Support for the F-117A Stealth Fighter [54 Pages]

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